1998 XC70 oxygen sensor mystery
#1
1998 XC70 oxygen sensor mystery
Due to some loss of power when driving and reaching 120,000 miles, I planned to change the O2 sensor. I checked all of the major auto parts stores and located the part number of the front sensor, but now that I'm under the car I am baffled.
Anyone know what this sensor really is, and why there isn't a second one?
Thanks!
- It seems I don't have a rear sensor, only one in the front which is actually located in the catalytic converter (towards the front of it). Shouldn't this car have a rear O2 sensor?
- The sensor that I bought (Bosch 15097) is about 8-10" too short. It can't reach the connector.
Anyone know what this sensor really is, and why there isn't a second one?
Thanks!
#5
#7
Actually it was second on my list of things to change due to losing power periodically while accelerating. First on my list was the fuel filter. I changed that yesterday and I think it took care of the problem. It felt like the engine was being starved and there were no codes. After reading some other threads I also suspected a sporadically failing O2 sensor. I just replaced the MAF sensor about a month ago, which took care of another stalling problem that threw codes. I drove the car quite a bit yesterday afternoon and it ran great. I could really feel a difference in power, confirming that the engine was not getting what it needed.
Regarding the O2 sensor, I'm not going to change it now, but the mystery of the missing rear O2 sensor remains. And the long O2 sensor cables are still puzzling.
Does anyone else have a '98 XC with this configuration.
Regarding the O2 sensor, I'm not going to change it now, but the mystery of the missing rear O2 sensor remains. And the long O2 sensor cables are still puzzling.
Does anyone else have a '98 XC with this configuration.
#8
hello how are you
Actually it was second on my list of things to change due to losing power periodically while accelerating. First on my list was the fuel filter. I changed that yesterday and I think it took care of the problem. It felt like the engine was being starved and there were no codes. After reading some other threads I also suspected a sporadically failing O2 sensor. I just replaced the MAF sensor about a month ago, which took care of another stalling problem that threw codes. I drove the car quite a bit yesterday afternoon and it ran great. I could really feel a difference in power, confirming that the engine was not getting what it needed.
Regarding the O2 sensor, I'm not going to change it now, but the mystery of the missing rear O2 sensor remains. And the long O2 sensor cables are still puzzling.
Does anyone else have a '98 XC with this configuration.
Regarding the O2 sensor, I'm not going to change it now, but the mystery of the missing rear O2 sensor remains. And the long O2 sensor cables are still puzzling.
Does anyone else have a '98 XC with this configuration.
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